398434100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1051}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 920441088

約数和(自身を除く): 522006988

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 223, 340, 425, 446, 850, 892, 1051, 1115, 1700, 2102, 2230, 3791, 4204, 4460, 5255, 5575, 7582, 10510, 11150, 15164, 17867, 18955, 21020, 22300, 26275, 35734, 37910, 52550, 71468, 75820, 89335, 94775, 105100, 178670, 189550, 234373, 357340, 379100, 446675, 468746, 893350, 937492, 1171865, 1786700, 2343730, 3984341, 4687460, 5859325, 7968682, 11718650, 15937364, 19921705, 23437300, 39843410, 79686820, 99608525, 199217050, 398434100]

約数ペア:

[(1, 398434100), (2, 199217050), (4, 99608525), (5, 79686820), (10, 39843410), (17, 23437300), (20, 19921705), (25, 15937364), (34, 11718650), (50, 7968682), (68, 5859325), (85, 4687460), (100, 3984341), (170, 2343730), (223, 1786700), (340, 1171865), (425, 937492), (446, 893350), (850, 468746), (892, 446675), (1051, 379100), (1115, 357340), (1700, 234373), (2102, 189550), (2230, 178670), (3791, 105100), (4204, 94775), (4460, 89335), (5255, 75820), (5575, 71468), (7582, 52550), (10510, 37910), (11150, 35734), (15164, 26275), (17867, 22300), (18955, 21020)]